From nobody Mon Nov 10 01:27:03 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1552478453191989.4497703929176; Wed, 13 Mar 2019 05:00:53 -0700 (PDT) Received: from localhost ([127.0.0.1]:42817 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h42Yq-00028Y-UW for importer@patchew.org; Wed, 13 Mar 2019 08:00:41 -0400 Received: from eggs.gnu.org ([209.51.188.92]:51869) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h42Wo-0000x8-BA for qemu-devel@nongnu.org; Wed, 13 Mar 2019 07:58:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h42Wn-0004B3-KN for qemu-devel@nongnu.org; Wed, 13 Mar 2019 07:58:34 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53058) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1h42Wn-0004AM-CQ for qemu-devel@nongnu.org; Wed, 13 Mar 2019 07:58:33 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7CDE633025C for ; Wed, 13 Mar 2019 11:53:07 +0000 (UTC) Received: from localhost.localdomain (ovpn-116-118.ams2.redhat.com [10.36.116.118]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8C0F21001E70; Wed, 13 Mar 2019 11:53:05 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Date: Wed, 13 Mar 2019 12:51:17 +0100 Message-Id: <20190313115121.7611-7-quintela@redhat.com> In-Reply-To: <20190313115121.7611-1-quintela@redhat.com> References: <20190313115121.7611-1-quintela@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Wed, 13 Mar 2019 11:53:07 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 06/10] multifd: Change default packet size X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Thomas Huth , Juan Quintela , "Dr. David Alan Gilbert" , Markus Armbruster , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" We moved from 64KB to 512KB, as it makes less locking contention without any downside in testing. Signed-off-by: Juan Quintela Reviewed-by: Dr. David Alan Gilbert Signed-off-by: Juan Quintela --- migration/ram.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/migration/ram.c b/migration/ram.c index 77c1878292..700c345ec5 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -584,7 +584,7 @@ exit: #define MULTIFD_FLAG_SYNC (1 << 0) =20 /* This value needs to be a multiple of qemu_target_page_size() */ -#define MULTIFD_PACKET_SIZE (64 * 1024) +#define MULTIFD_PACKET_SIZE (512 * 1024) =20 typedef struct { uint32_t magic; --=20 2.20.1